Iraqis stranded on mountain under threat of death from Isis jihadists - video

Thousands of Yazidi, one of Iraq's oldest minorities, are stranded on a Mount Sinjar in north Iraq as Isis militants surround them below. The Kurdish minority Yazidis have long been persecuted by Sunni jihadists, who have targeted them since the US invasion. At least 500 Yazidis, including 40 children, have been killed in the past week and many more have received direct threats